US PATENT SUBCLASS 320 / FOR 165
.~.~.~.~ Differentially related (320/66)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


320 /   HD   ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING

FOR 101  DF  BATTERY CHARGING AND/OR DISCHARGING (320/2) {15}
FOR 160  DF  .~ Generation systems for battery charging (320/61) {4}
FOR 163  DF  .~.~ Generator field-winding circuit control (320/64) {3}
FOR 164  DF  .~.~.~ Plural, diversely treated field windings (320/65) {1}
FOR 165.~.~.~.~ Differentially related (320/66)

DEFINITION

Classification: 320/FOR.165

Foreign art collection in which one or more of the field windings are connected or energized so as to produce a magnetomotive force which opposes the magnetomotive force of one or more of the other field windings.